﻿#region Copyright
// Copyright (c) 2011-2012 RaisingForce Team (Alikin Sergey)
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Diagnostics.Contracts;
using System.Windows;

namespace RaisingForce.Raise.Presentation.ViewModel.Extensions
{
    public static class ViewModelBaseExtensions
    {
        #region Static Declarations

        public static void ShowMessage(
            this ViewModelBase viewModel,
            string message,
            string caption = null,
            bool isErrorDialog = false)
        {
            if (viewModel == null)
            {
                throw new ArgumentNullException("viewModel");
            }
            if (!MessageHelper.MessageIsValid(message))
            {
                throw new ArgumentException("message");
            }
            Contract.EndContractBlock();
            if (viewModel is WindowViewModel)
            {
                WindowViewModelExtensions.ShowMessage(
                    (WindowViewModel)viewModel,
                    message,
                    caption,
                    isErrorDialog);
            }
            else
            {
                if (viewModel.Window != null)
                {
                    WindowViewModelExtensions.ShowMessage(
                        viewModel.Window,
                        message,
                        caption,
                        isErrorDialog);
                }
                else
                {
                    // no other way to show dialog...
                    MessageHelper.ShowMessage(message, caption,
                        isErrorDialog ? MessageBoxImage.Error : MessageBoxImage.Information);
                }
            }
        }

        public static void AskConfirmation(
            this ViewModelBase viewModel,
            string message,
            string caption = null,
            Action okAction = null,
            bool isErrorDialog = false)
        {
            if (viewModel == null)
            {
                throw new ArgumentNullException("viewModel");
            }
            if (!MessageHelper.MessageIsValid(message))
            {
                throw new ArgumentException("message");
            }
            Contract.EndContractBlock();
            if (viewModel is WindowViewModel)
            {
                WindowViewModelExtensions.AskConfirmation(
                    (WindowViewModel)viewModel,
                    message,
                    caption,
                    okAction,
                    isErrorDialog);
            }
            else
            {
                if (viewModel.Window != null)
                {
                    WindowViewModelExtensions.AskConfirmation(
                        viewModel.Window,
                        message,
                        caption,
                        okAction,
                        isErrorDialog);
                }
                else
                {
                    // no other way to show dialog...
                    if (MessageHelper.AskConfirmation(message, caption,
                        isErrorDialog ? MessageBoxImage.Error : MessageBoxImage.Question))
                    {
                        if (okAction != null)
                        {
                            okAction();
                        }
                    }
                }
            }
        }

        #endregion
    }
}
